Bosch BMP581 - Page 3

Bosch Sensortec"| BST-BMP581-DS004-02 3 | 74
Modifications reserved | Data subject to change
without notice Document number: BST-BMP581-DS004-02
Table of Contents
1 Basic Description .......................................................................................................................................................... 2
2 Specification .................................................................................................................................................................. 8
3 Quick start guide ......................................................................................................................................................... 14
3.1 Sensor API and COINES .................................................................................................................................. 14
4 Functional Description and Features ........................................................................................................................ 14
4.1 Block diagram ................................................................................................................................................... 14
4.2 Power management .......................................................................................................................................... 14
4.3 Power modes .................................................................................................................................................... 16
4.3.1 STANDBY mode ................................................................................................................................... 16
4.3.2 DEEP STANDBY .................................................................................................................................. 16
4.3.3 FORCED mode .................................................................................................................................... 16
4.3.4 NORMAL mode .................................................................................................................................... 17
4.3.5 Low Power NORMAL mode ................................................................................................................. 17
4.3.6 CONTINOUS mode .............................................................................................................................. 17
4.3.7 Mode transitions ................................................................................................................................... 18
4.3.8 Mode-depending register write restrictions ........................................................................................... 18
4.3.9 Post-power-up procedure ..................................................................................................................... 18
4.3.10 Soft reset .............................................................................................................................................. 18
4.4 Measurements .................................................................................................................................................. 18
4.4.1 Pressure and temperature measurement enable ................................................................................. 18
4.4.2 Pressure and temperature oversampling ratio (OSR) ........................................................................... 19
4.4.3 Configuration changes in NORMAL and CONTINUOUS mode ............................................................ 19
4.4.4 IIR filter ................................................................................................................................................. 19
4.5 Data registers ................................................................................................................................................... 22
4.5.1 Data Shadowing ................................................................................................................................... 22
4.6 FIFO ................................................................................................................................................................. 22
4.6.1 FIFO Configuration ............................................................................................................................... 22
4.6.2 FIFO status .......................................................................................................................................... 23
4.6.3 FIFO data readout ................................................................................................................................ 23
4.6.4 FIFO configuration changes ................................................................................................................. 25
4.7 Interrupts .......................................................................................................................................................... 25
4.7.1 Interrupt enabling ................................................................................................................................. 25
4.7.2 Interrupt sources .................................................................................................................................. 25
4.7.3 Interrupt pin .......................................................................................................................................... 27